Cita APA (7th ed.)

Brody, S., & Axelrad, S. (1971). Anxiety and ego formation in infancy. International Universities Press.

Cita Chicago (17th ed.)

Brody, Sylvia, i Sidney Axelrad. Anxiety and Ego Formation in Infancy. New York: International Universities Press, 1971.

Cita MLA (8th ed.)

Brody, Sylvia, i Sidney Axelrad. Anxiety and Ego Formation in Infancy. International Universities Press, 1971.